Akai GX-F44R

7) Adjust VR4 (BIAS) so that TP-REC will be 11) Adjust VR2 (PB-AS) so that TP-PB will be
~19.5 + 0.3 dBm. 0+0.5 dBm.
8) Set Dolby Switch C-Type and the set to FWD NOTES:
PLAY mode. 1. For the adjustment, use Audio OSC, AC Volt-
9) Remove P9 connector (PB INPUT) and input the meter (mV meter).
signal of 700 Hz from there. 2. Adjust both channels at right and left.
10) Adjust the input level so that TP2 will be 0 dBm.
XI. DC RESISTANCE OF VARIOUS COILS
DC Resistance
460 ohms + 10%
3.2 ohms
90 ohms + 10%
Description
REC/PB Head
Erase Head
Plunger Solenoid
PR4-8FU
HF213131
1240PLT
XII. CLASSIFICATION OF VARIOUS P.C BOARDS
1. P.C BOARD TITLES AND IDENTIFICATION NUMBER
PC Board Title P.CBoardNumber _|
Pre Amp P.C Board T2023A5010
Dolby (C) P.C Board l. T2034A502A
Syscon P.C Board T2034B5010 |
Drive P.C Board T2023C5040
_—e Power Supply P.C Board T2023B502A |
Dolby LED PC Board T2023B502E
Tape LED PC Board T2023B502D |
r Remote Control P.C Board T2023B502B
Slide P.C Board | T2023B502F
Reverse P.C Board T2023D5070
r Lamp P.C Board T2022D5 140
Filter P.C Board CL-5026 |
LD PC Board T2023D5090
Switch P.C Board T2034A502B |
Rec Cancel P.C Board T2034A502C
Lamp Meter P.C Board | T2023B502C
[ Detector P.C Board T2022D5150.CS
fia Detector P.C Board — CY-0023 |
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